Greylock

Greylock is a Venture Capital tracked by The Signal, based in United States.

Greylock cybersecurity investments

DateCompanyRoundAmount
2026-06-04Opal SecurityGrowth Stage$23M
2026-03-31CensysSeries D$40M
2026-03-06CylakeSeed$45M
2026-02-18Cogent SecuritySeries A$42M
2026-01-26Upwind SecuritySeries B$250M
2025-12-047AISeries A$130M
2025-11-17Bedrock DataSeries A$25M
2025-11-14TenzaiSeed$75M
2025-07-14Cogent SecuritySeed$11M
2025-02-037AISeed$36M
2024-11-04Upwind SecuritySeries B$100M
2024-08-05Abnormal SecuritySeries D$250M
2024-07-22DazzGrowth Stage$50M
2024-07-01Abnormal SecurityGrowth StageUndisclosed
2024-06-077AISeed$36M
2024-06-03Seven AISeed$36M
2024-05-06WizSeries E+$1B
2024-04-01FableSeed$6.5M
2024-03-25Bedrock DataSeed$10M
2023-12-07Opal SecuritySeries B$22M
2023-10-23CensysSeries C$50M
2023-09-04Upwind SecuritySeries A$50M
2023-06-12Kodem SecuritySeries A$18M
2023-06-12Kodem SecuritySeed$7M
2022-06-06Opal SecuritySeries A$10M

Exits

DateCompanyAcquirer
2025-05-12LookoutFortra
2025-03-17WizGoogle
2024-11-18DazzWiz
2024-03-11GemWiz
2023-07-24ImpervaThales Group
2023-04-24LookoutF-Secure
2023-02-06Sumo LogicFrancisco Partners
2021-05-31ClouderaKohlberg Kravis Roberts (KKR)
2021-02-08SqreenDatadog
2020-09-28Awake SecurityArista Networks
2018-10-08ImpervaThoma Bravo
2017-11-27Skyhigh SecurityMcAfee
2009-07-27Ounce LabsIBM
2009-01-19Mazu NetworksRiverbed Technology
2007-01-08PortAuthority TechnologiesForcepoint
2007-01-08PortAuthority TechnologiesForcepoint
2006-08-28CipherTrustSecure Computing

Data from The Signal by Return on Security — cybersecurity funding and investor intelligence.